CPENT Active Directory Attacks Practice Question
A penetration tester identifies a user account with the 'Do not require Kerberos pre-authentication' (DONT_REQUIRE_PREAUTH) property enabled. Which attack can be performed against this account?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
AS-REP Roasting
AS-REP Roasting targets accounts where pre-authentication is disabled, allowing an attacker to request an AS-REP response containing ticket material encrypted with the user's password hash and crack it offline.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
AS-REP Roasting
Why this is correct
AS-REP Roasting exploits accounts lacking pre-auth requirements to capture encryptable ticket material.
- ✗
Silver Ticket Attack
Why it's wrong here
Silver Ticket attacks require the NTLM hash of a specific service account, not pre-auth settings.
- ✗
DCShadow
Why it's wrong here
DCShadow requires Domain Admin privileges to simulate a rogue domain controller.
- ✗
Kerberoasting
Why it's wrong here
Kerberoasting targets service tickets (TGS), not initial authentication requests (AS-REQ).
About these practice questions
This CPENT question is part of Courseiva's 274-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam dumps. Learn why practice questions differ from exam dumps →
JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official EC-Council exam blueprint
This CPENT practice question is part of Courseiva's free EC-Council certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the CPENT exam.